<template>
  <div class="login-container">
    <div class="logo" />
    <div class="form">
      <h1>登录</h1>
      <el-card shadow="never" class="login-card">
        <!--登录表单-->
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <el-form-item prop="mobile">
            <el-input v-model="loginForm.mobile" placeholder="请输入手机号" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" placeholder="请输入密码" show-password />
          </el-form-item>
          <el-form-item prop="isAgree">
            <el-checkbox v-model="loginForm.isAgree">用户平台使用协议</el-checkbox>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" class="login-btn" style="width: 350px" @click="handleLogin">登录</el-button>
          </el-form-item>
        </el-form>
      </el-card>
    </div>
  </div>
</template>
<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        // mobile: '13800000002',
        // password: 'hm#qd@23!',
        // isAgree: false
        mobile: process.env.NODE_ENV === 'development' ? '13800000002' : '',
        password: process.env.NODE_ENV === 'development' ? 'hm#qd@23!' : '',
        isAgree: process.env.NODE_ENV === 'development'
      },
      loginRules: {
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^(?:(?:\+|00)86)?1\d{10}$/, message: '手机号格式错误', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 16, message: '密码长度在6-16个字符之间', trigger: 'blur' }
        ],
        isAgree: [
          // 自定义规则，必须勾选，立即校验一次
          { validator: this.validateIsAgree, trigger: 'change', immediate: true }
        ]
      }
    }
  },
  methods: {
    /**
     * 自定义规则，必须勾选，立即校验一次
     * @param rule 规则
     * @param value 值
     * @param callback 回调函数
     */
    validateIsAgree(rule, value, callback) {
      if (!value) {
        callback(new Error('请勾选用户平台使用协议'))
      } else {
        callback()
      }
    },
    /**
     * 登录
     */
    handleLogin() {
      // 校验表单验证是否通过
      // 方式一：通过回调函数
      this.$refs.loginForm.validate(valid => {
        // 如果验证通过
        if (valid) {
          // this.$message.success('登录成功')
          this.$store.dispatch('user/login', this.loginForm)
        }
      })

      /**
       * 方式二：可以使用async await
       * const valid = await this.$refs.loginForm.validate()
       * if (valid) {
       *   this.$message.success('登录成功')
       * }
       */

      /**
       * 方式三：可以使用.then().catch()
       * this.$refs.loginForm.validate().then(() => {
       *   this.$message.success('登录成功')
       * }).catch(() => {
       *   this.$message.error('登录失败')
       * })
       */
    }
  }
}
</script>
<style lang="scss">
  .login-container {
    display: flex;
    align-items: stretch;
    height: 100vh;
    .logo {
      flex: 3;
      background: rgba(38, 72, 176) url(../../assets/common/login_back.png)
        no-repeat center / cover;
      border-top-right-radius: 60px;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      justify-content: center;
      padding: 0 100px;
      .icon {
        background: url(../../assets/common/logo.png) no-repeat 70px center /
          contain;
        width: 300px;
        height: 50px;
        margin-bottom: 50px;
      }
      p {
        color: #fff;
        font-size: 18px;
        margin-top: 20px;
        width: 300px;
        text-align: center;
      }
    }
    .form {
      flex: 2;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding-left: 176px;
      .el-card {
        border: none;
        padding: 0;
      }
      h1 {
        padding-left: 20px;
        font-size: 24px;
      }
      .el-input {
        width: 350px;
        height: 44px;
        .el-input__inner {
          background: #f4f5fb;
        }
      }
      .el-checkbox {
        color:#606266;
      }
    }
  }
</style>
